Issue #22289: Prevent test_urllib2net failures due to ftp connection timeout.

Lib/test/support/__init__.py

@@ -1327,7 +1327,8 @@ def transient_internet(resource_name, *, timeout=30.0, errnos=()):
             (isinstance(err, urllib.error.HTTPError) and
              500 <= err.code <= 599) or
             (isinstance(err, urllib.error.URLError) and
-             "ConnectionRefusedError" in err.reason) or
+                 (("ConnectionRefusedError" in err.reason) or
+                  ("TimeoutError" in err.reason))) or
             n in captured_errnos):
             if not verbose:
                 sys.stderr.write(denied.args[0] + "\n")

Misc/NEWS

@@ -455,6 +455,8 @@ Tests
 - Issue #23345: Prevent test_ssl failures with large OpenSSL patch level
   values (like 0.9.8zc).
 
+- Issue #22289: Prevent test_urllib2net failures due to ftp connection timeout.
+
 Build
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